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Finding the Fourth Proportional to 63,078.70, 94,616 and 25,627.70

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Solution

The fourth proportional to 63,078.70, 94,616 and 25,627.70 is: 38,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,078.70 : 94,616 = 25,627.70 : x
  2. Step 2: Convert to fraction form
    63,078.70/94,616 = 25,627.70/x
  3. Step 3: Cross multiply
    63,078.70x = 94,616 × 25,627.70
  4. Step 4: Simplify right side
    63,078.70x = 2,424,790,463.20
  5. Step 5: Solve for x
    x = 2,424,790,463.20/63,078.70
  6. Step 6: Final answer
    x = 38,440.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.